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Analysis
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max time kernel
162s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 23:06
Static task
static1
Behavioral task
behavioral1
Sample
7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe
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Size
224KB
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MD5
6749a4e31b26076b923621b6e9360a3f
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SHA1
dd49a354a6217b383e07c62dc9206edd489091ec
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SHA256
7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63
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SHA512
c1962eb1eefa8864dfab8a671bab1ce8ae6ed87905aea98bfab4fc40200b46a94b0ea52fd0766094ae4ebf179675326a4066caf65ab2f420358a8966d1646dc4
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SSDEEP
3072:jro4sUW1bU4SmOLCxokVqH91IrnXHTmchf8Yr7Br2C9fDcB/yX/4UVQpF+:jr9PhmOLm/4H91MnXHTmchfI/yX/4kD
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pieet.exe -
Executes dropped EXE 1 IoCs
pid Process 752 pieet.exe -
Loads dropped DLL 2 IoCs
pid Process 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /z" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /c" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /r" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /v" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /p" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /b" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /n" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /f" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /o" pieet.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /x" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /t" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /l" 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /l" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /k" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /h" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /j" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /d" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /a" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /g" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /y" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /i" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /e" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /m" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /q" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /w" pieet.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /u" pieet.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\pieet = "C:\\Users\\Admin\\pieet.exe /s" pieet.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe 752 pieet.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 752 pieet.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1352 wrote to memory of 752 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 28 PID 1352 wrote to memory of 752 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 28 PID 1352 wrote to memory of 752 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 28 PID 1352 wrote to memory of 752 1352 7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe"C:\Users\Admin\AppData\Local\Temp\7201fb50d152036ef53327e1a7863885e541e222760c57e18e97a3f580a82c63.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Users\Admin\pieet.exe"C:\Users\Admin\pieet.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:752
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD50a805b84e31004c9c42752386de0d361
SHA1cc42797f6c6fc9e0397f8fbf3b5123ff3097b880
SHA25678b9f8bbb21525a68bc7ca1471ba59fbb2b94f22b2c62a55832226baf69f0337
SHA51209cc39747e5744ca757150d8f63e6d4cef8c10b4dc6c21572b285edc0d04eb4e1dd28ae6f4a454a66c7ea3d1ca5e3ee6c361fe9ae75ae166cc72cb70852556a9
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Filesize
224KB
MD50a805b84e31004c9c42752386de0d361
SHA1cc42797f6c6fc9e0397f8fbf3b5123ff3097b880
SHA25678b9f8bbb21525a68bc7ca1471ba59fbb2b94f22b2c62a55832226baf69f0337
SHA51209cc39747e5744ca757150d8f63e6d4cef8c10b4dc6c21572b285edc0d04eb4e1dd28ae6f4a454a66c7ea3d1ca5e3ee6c361fe9ae75ae166cc72cb70852556a9
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Filesize
224KB
MD50a805b84e31004c9c42752386de0d361
SHA1cc42797f6c6fc9e0397f8fbf3b5123ff3097b880
SHA25678b9f8bbb21525a68bc7ca1471ba59fbb2b94f22b2c62a55832226baf69f0337
SHA51209cc39747e5744ca757150d8f63e6d4cef8c10b4dc6c21572b285edc0d04eb4e1dd28ae6f4a454a66c7ea3d1ca5e3ee6c361fe9ae75ae166cc72cb70852556a9
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Filesize
224KB
MD50a805b84e31004c9c42752386de0d361
SHA1cc42797f6c6fc9e0397f8fbf3b5123ff3097b880
SHA25678b9f8bbb21525a68bc7ca1471ba59fbb2b94f22b2c62a55832226baf69f0337
SHA51209cc39747e5744ca757150d8f63e6d4cef8c10b4dc6c21572b285edc0d04eb4e1dd28ae6f4a454a66c7ea3d1ca5e3ee6c361fe9ae75ae166cc72cb70852556a9